Pith Number

pith:3L5X2QWG

pith:2019:3L5X2QWGKBAB6V4VOBUJO4FEWV

not attested not anchored not stored refs pending

The general linear equation on open connected sets

Jens Schwaiger, Paolo Leonetti

arxiv:1905.13541 v1 · 2019-05-31 · math.FA · math.CA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3L5X2QWGKBAB6V4VOBUJO4FEWV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:44:34.628608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dafb7d42c650401f579570689770a4b55c808920819340efa3d9e1b91a1c77da

Aliases

arxiv: 1905.13541 · arxiv_version: 1905.13541v1 · doi: 10.48550/arxiv.1905.13541 · pith_short_12: 3L5X2QWGKBAB · pith_short_16: 3L5X2QWGKBAB6V4V · pith_short_8: 3L5X2QWG

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/3L5X2QWGKBAB6V4VOBUJO4FEWV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: dafb7d42c650401f579570689770a4b55c808920819340efa3d9e1b91a1c77da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c5ebd3c29730fa4dc84841b5e3f18cf1fab8b2bd822e87d479f6dc4a71cd636",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-05-31T12:12:49Z",
    "title_canon_sha256": "5d07361e3fe90c67edae63b2ca25433f05249d18e2fced72b81e418ab85bdb91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13541",
    "kind": "arxiv",
    "version": 1
  }
}